Abstract #3716
Cardiac Susceptibility Bite Mark Artifact: Resolving the Conflict
Candice A. Bookwalter 1 , Samir D. Sharma 1 , and Scott B. Reeder 1,2
1
Department of Radiology, University of
Wisconsin-Madison, Madison, WI, United States,
2
Department
of Medical Physics, University of Wisconsin-Madison,
Madison, Wisconsin, United States
A commonly seen bite mark susceptibility artifact in
the inferolateral and anteroseptal myocardial wall in
cardiac cine SSFP images can degrade morphologic and
functional evaluation, particularly for R2* mapping. Two
explanations have been previously proposed, that these
artifacts originate from 1) the heart-lung interface or
2) deoxygenated blood in adjacent cardiac veins. The
purpose of this study was to determine whether the
geometry of the heart-lung interface alone accounts for
"bite mark" artifacts in vivo.
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